N-Hetero substituted cyclobutenones

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...

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548204, 548214, A61K 31425, C07D27502

Patent

active

041668570

ABSTRACT:
The compounds are 1-amino-2-heterocyclic-alkylamino-cyclobut-1-ene-3,4-diones which are histamine H.sub.2 -antagonists.

REFERENCES:
neuse et al., J. Org. Chem., 39:3881-3887, (1974).
Seitz et al., "Chemiker-Zeitung" 98:459-460, (1974).
Ried et al., Ann. Chem. (1975), 1863-1872.
Maahs et al., "Angew. Chem. internat. Edit.," 5:888-893, (1966).
Thorpe, J. Chem. Soc. (B) 435-436, (1968).
Griffiths et al., "J. Mol. Structure" 8:363-371, (1971).
Neuse et al., "Ann. Chem." 619-632, (1973).

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